Argentum nitricum

Vertigo and general instability, trembling due to weakness of nerves, buzzing noise in the ears, indisposition.

Decreases catarrh of the larynx and the irritation of the vocal chords which manifests after undue stress on the voice. Specific action on the mucus in the larynx, lessens the hoarseness and pains of the larynx (singers, teachers, actors, orators etc.).